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8050-09-7 gum rosin

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Product Name gum rosin
CAS No. 8050-09-7
Synonyms Disproportionated rosin; Colophony; Pine rosin; Rosin; Rosin Solder Flux Fume; Wood rosin; (4aR)-7-isopropyl-1,4a-dimethyl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid
InChI InChI=1/C20H30O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h7,12-13,16-17H,5-6,8-11H2,1-4H3,(H,21,22)/t16?,17?,19-,20?/m1/s1
Molecular Formula C20H30O2
Molecular Weight 302.451
Density 1.06g/cm3
Melting point 100 - 140
Boiling point 439.5°C at 760 mmHg
Flash point 208.1°C
Refractive index 1.541